body, html{
	background-color: white;
}
#div1{
	width: 100%;
	margin-top: 3em; 
	overflow: hidden;
}
#div1 >img{
	display: block;
	width: 100% !important;
	margin: 0 auto;
}
#div1_zuo{
	width: 19%;
	float: left;
}
#div1_you{
	width: 79%;
	float:right;
}
#div2{
	background-color: white;
	margin-top: 1em;
}
#div3{
	background-color: white;
	margin-top: 1em;
}
#div4{
	background-color: white;
	margin-top: 1em;
}
.zi{
	margin-right: 1.5em;
	color: #9D9D9D;
	float: right;
}
.tupian{
	width: 30px;
}
.zi2{
	color: #9D9D9D;
	font-size: 14px;
	margin-left: 1em;
}
